Evaluate.
A. 7980
B. 420
C. 5.11 × 1019
D. 21
Answer: B
Mathematics
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Solve the inequality.x2 + x - 7 ? 0
A. 
? x ? 
B. x ? 
or x ? 
C. All real numbers
D. No solutions
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Find the sum.5.9 + [(-2.1) + (-4.9)]
A. 3.1 B. 12.9 C. -1.1 D. 8.7
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Solve the problem.A size 42 dress in Country C is size 9 in Country D. A function that converts dress sizes in Country C to those in Country D is 
Find the inverse of the function.
A. f-1(x) = 2(x + 12) B. f-1(x) = x + 12 C. f-1(x) = 2(x - 12) D. f-1(x) = 2x + 12
Mathematics